含一个单三急！急！急！急！急！急！急！
1 Listen, the bird is singing.2 The teacher is giving us a lesson at the moment/present.3 Are you playing family computer games?4 He isn't having dinner now.5 They are walking and talking.
现在进行时造句-含一个单三<br/
含一个单三急！急！急！急！急！急！急！
1 Listen, the bird is singing.2 The teacher is giving us a lesson at the moment/present.3 Are you playing family computer games?4 He isn't having dinner now.5 They are walking and talking.
